-15=-9-3k

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Solution for -15=-9-3k equation:


Simplifying
-15 = -9 + -3k

Solving
-15 = -9 + -3k

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '3k' to each side of the equation.
-15 + 3k = -9 + -3k + 3k

Combine like terms: -3k + 3k = 0
-15 + 3k = -9 + 0
-15 + 3k = -9

Add '15' to each side of the equation.
-15 + 15 + 3k = -9 + 15

Combine like terms: -15 + 15 = 0
0 + 3k = -9 + 15
3k = -9 + 15

Combine like terms: -9 + 15 = 6
3k = 6

Divide each side by '3'.
k = 2

Simplifying
k = 2

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